Merge "Optimizing open shortcuts container lookep" into ub-launcher3-calgary

src/com/android/launcher3/Launcher.java

@@ -3133,7 +3133,15 @@ public class Launcher extends Activity
      * @return The open shortcuts container, or null if there is none
      */
     public DeepShortcutsContainer getOpenShortcutsContainer() {
-        return (DeepShortcutsContainer) mDragLayer.findViewById(R.id.deep_shortcuts_container);
+        // Iterate in reverse order. Shortcuts container is added later to the dragLayer,
+        // and will be one of the last views.
+        for (int i = mDragLayer.getChildCount() - 1; i >= 0; i--) {
+            View child = mDragLayer.getChildAt(i);
+            if (child instanceof DeepShortcutsContainer) {
+                return (DeepShortcutsContainer) child;
+            }
+        }
+        return null;
     }
 
     @Override

src/com/android/launcher3/Workspace.java

@@ -532,8 +532,9 @@ public class Workspace extends PagedView
      */
     public Folder getOpenFolder() {
         DragLayer dragLayer = mLauncher.getDragLayer();
-        int count = dragLayer.getChildCount();
-        for (int i = 0; i < count; i++) {
+        // Iterate in reverse order. Folder is added later to the dragLayer,
+        // and will be one of the last views.
+        for (int i = dragLayer.getChildCount() - 1; i >= 0; i--) {
             View child = dragLayer.getChildAt(i);
             if (child instanceof Folder) {
                 Folder folder = (Folder) child;